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Function

Unearthed AC systems

Unearthed mixed AC / DC systems

Unearthed DC systems

Up to 400 V AC

Up to 300 V DC

Up to 250 V AC

Up to 600 V DC

Up to 1000 V DC

Up to 690 V AC

Accessory - Coupling unit for voltage expansion of CM-IWN.1

Measuring Range

1 ... 100 kΩ

1 ... 200 kΩ

Output

1 c/o (SPDT) contact

2 x 1 c/o or 1 x 2 c/o contacts, configurable

Product Net Depth / Length

103.7 mm

104.8 mm

Product Net Weight

0.148 kg

0.141 kg

0.137 kg

0.13 kg

0.241 kg

0.217 kg

0.165 kg

0.179 kg

Product Net Width

22.5 mm

45 mm

Terminal Type

Screw Terminals

Screwless Terminals

The CM-IVN.P serves to extend the measuring range of the insulation monitoring relay CM-IWN.x for monitoring the insulation resistance up to 690 V AC and 1000 V DC in accordance with IEC 61557-8.

CM-IVN.P

CM-IVN.P Coupling unit voltage range expansion for CM-IWN.1

The CM-IWS.1S serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems with a voltage up to 250 V AC and 300 V DC. It can be configured to the
requirements of the applications and therefore used multi-functional.

CM-IWS.1S

CM-IWS.1S Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC

The CM-IWS.2S serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems with a voltage up to 400 V AC. The CM-IWS.2 can be configured to the requirements of the applications and therefore used multi-functional.

CM-IWS.2S

CM-IWS.2S Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC

The CM-IWS.1P serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems with a voltage up to 250 V AC and 300 V DC. It can be configured to the
requirements of the applications and therefore used multi-functional.

CM-IWS.1P

CM-IWS.1P Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC

The CM-IWS.2P serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems with a voltage up to 400 V AC. The CM-IWS.2 can be configured to the requirements of the applications and therefore used multi-functional.

CM-IWS.2P

CM-IWS.2P Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC

The CM-IWN.1S serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems with a voltage up to 400 V AC and 600 V DC. The measuring range can be extended up to 690 V AC and 1000 V DC by using the coupling unit CM-IVN. It can be configured to the requirements of the applications and therefore used multi-functional.

CM-IWN.1S

CM-IWN.1S Insulation monitoring relay 2c/o, 1-100kOhm,2-200kOhm, 24-240VAC/DC

The CM-IWN.1P serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems with a voltage up to 400 V AC and 600 V DC. The measuring range can be extended up to 690 V AC and 1000 V DC by using the coupling unit CM-IVN. It can be configured to the requirements of the applications and therefore used multi-functional.

CM-IWN.1P

CM-IWN.1P Insulation monitoring relay 2c/o, 1-100kOhm,2-200kOhm, 24-240VAC/DC

The CM-IVN.S serves to extend the measuring range of the insulation monitoring relay CM-IWN.x for monitoring the insulation resistance up to 690 V AC and 1000 V DC in accordance with IEC 61557-8.

ABB Insulation Monitors